Asset Comparison and Correlation

Assuming 30 trading days horizon, S&P 500 is expected to under-perform the STAAR. But the index apears to be less risky and, when comparing its historical volatility, S&P 500 is 2.15 times less risky than STAAR. The index trades about -0.1 of its potential returns per unit of risk. The STAAR Surgical Company is currently generating about 0.21 of returns per unit of risk over similar time horizon. If you would invest  878  in STAAR Surgical Company on May 19, 2013 and sell it today you would earn a total of  69.00  from holding STAAR Surgical Company or generate 7.86% return on investment over 30 days.